<!DOCTYPE html>
<html>

<head>
  <meta name="color-scheme" content="dark">
  <script src="../../../fast/forms/resources/common.js"></script>
  <script src="../../../fast/forms/resources/picker-common.js"></script>
  <script
    src="../../../fast/forms/calendar-picker/resources/calendar-picker-common.js"></script>
</head>

<body>
  <input type="date" id="date" value="2019-07-31">
  <script>
    openPicker(document.getElementById('date'));
  </script>
</body>

</html>